package com.cn.wanxi.servlet.user;

import com.alibaba.fastjson.JSONObject;
import com.cn.wanxi.service.IUserService;
import com.cn.wanxi.service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/back/user/del")
public class UserDelServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//        1.控制乱码
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
//        2.拿到页面传递过来的值
        String idString = req.getParameter("id");
//        int id = 0;
        int id = idString == null ? 0 : Integer.parseInt(idString);
//        try {
//            id = Integer.parseInt(idString);
//        } catch (Exception e) {
//            id = 0;
//        }

//        3.封装到model
//        4.调用服务逻辑层
        IUserService iUserService = new UserServiceImpl();

//        5.接受逻辑层返回的数据
        int result = iUserService.del(id);
//        6.返回页面（给页面一个反馈）

        JSONObject jsonObject = new JSONObject();
        jsonObject.put("result", result);
        resp.getWriter().println(jsonObject);
    }
}
